Hi,

I'm building a metaseach engine based on data mining techniques....but this is not important...

My question is about performances of the activity of scraping search engine results from an HTML response page.

I see that some metasearch engines (Mamma, DogPile, Vivisimo & C.) present top 50 results of 3-5 search engines in about 1 seconds.

With my perl script I am able to retrieve top 100 results of Google in about 1,5 seconds, but from only one search engine!

Somebody (very much skilled in Perl) can tell me some advanced technique (parallelism, thread...bo?) to retrieve from 3-5 search engines very fast?


Excuse me for my english (I'm italian) and for my poor Perl skills.

Thanks,

VB

In reply to ...How to parse search engine results fast? by A200560

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.